2s+3t=21

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Solution for 2s+3t=21 equation: 


Simplifying
2s + 3t = 21

Solving
2s + 3t = 21

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add '-3t' to each side of the equation.
2s + 3t + -3t = 21 + -3t

Combine like terms: 3t + -3t = 0
2s + 0 = 21 + -3t
2s = 21 + -3t

Divide each side by '2'.
s = 10.5 + -1.5t

Simplifying
s = 10.5 + -1.5t

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